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Price impact and bursts in liquidity provision

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  • R. Gençay
  • S. Mahmoodzadeh
  • J. Rojček
  • M. C. Tseng

Abstract

This paper analyses brief episodes of high-intensity quote turnover and revision—‘bursts’ in quotes—in the US equity market. Such events occur very frequently, several hundred times a day for actively traded stocks. We find significant price impact associated with these market maker initiated events, about five times higher than during non-burst periods. Bursts in quotes are concurrent with short-lived structural breaks in the informational relationship between market makers and market takers. During bursts, market makers no longer passively impound information from order flow into quotes—a departure from the traditional market microstructure paradigm. Rather, market makers significantly impact prices during bursts in quotes. Further analysis shows that there is asymmetry in adverse selection between the bid and ask sides of the limit order book and only a sub-population of market makers enjoys an informational advantage during bursts. Market makers on the side opposite the burst suffer elevated adverse selection costs, while market makers on the side of the burst realize positive spread, irrespective of the order flow direction. Our results call attention to the need for a new microstructure perspective in understanding modern high-frequency limit order book markets and the quote manipulation strategies at the disposal of the fast market makers.

Suggested Citation

  • R. Gençay & S. Mahmoodzadeh & J. Rojček & M. C. Tseng, 2018. "Price impact and bursts in liquidity provision," Quantitative Finance, Taylor & Francis Journals, vol. 18(7), pages 1129-1148, July.
  • Handle: RePEc:taf:quantf:v:18:y:2018:i:7:p:1129-1148
    DOI: 10.1080/14697688.2017.1420209
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